1901,16.4,16.9,19.8,22.7,23.1,21.8,21.3,21.3,21.6,20.6,19.1,16.8
1902,16.6,17.3,20.6,22.7,23.5,22.6,21.8,22,20.6,20.9,18.9,17.1
1903,16.2,17,19.6,22.2,22.6,21.9,21.3,21.2,20.7,20.2,17.6,15.9
1904,16,17.2,19.8,22.4,22.6,21.2,21.1,21.3,21.1,20.9,18.1,16.3
1905,15.7,16.4,19.1,21,22.9,22.9,21.7,21.7,21.1,20.9,19,16.4
1906,16.3,17.2,19.3,22.6,23.7,21.9,21.2,21.3,20.4,20.5,19.2,17
1907,16.6,17.5,20,21.9,22.7,21.8,21.3,20.7,21.2,20.8,19,16.7
1908,16.4,17,19.1,22.9,22.7,22.4,20.8,20.9,21.1,20.8,18,16
1909,15.6,17.2,20.2,22.1,23,22.1,20.8,21.4,20.2,20.5,18.7,16.9
1910,16.2,17.7,20.3,22.7,23.2,21.8,21.7,20.9,20.1,20,17.3,15.7
1911,16.4,16.5,19.7,22,22.9,21.9,21.4,21,21.4,20.7,19,17.6
1912,16.4,18.3,20.3,23.1,23.7,22.3,21.4,21.3,21.1,20.5,18.2,16.3
1913,15.8,17.5,19.7,22.6,23.4,21.9,21,21.4,21.3,20.4,18.3,16.8
1914,16.3,17.5,19.8,22.1,23.6,22.8,21.4,21.2,21.3,21.1,19.2,17.1
1915,16.6,17.4,20,22.8,23.5,22.6,22,21.9,21.1,20.7,19,16.3
1916,16.1,17,20.5,22.9,23,21.4,21.6,21.2,20.7,20.2,18.4,16.2
1917,16.1,17,19.5,22.3,22.3,21.2,21.8,21.2,20.5,19.5,18,16
1918,15.9,16.7,19.7,21.8,22,21.6,22.3,21.7,21.2,21.2,19.6,16.6
1919,16.8,17.5,19.8,22.8,23,22,21.5,21.3,21.2,20.9,19,16.8
1920,16.7,17.6,20.5,22.5,23.3,22.3,21.4,21.5,21.3,21.1,19,16.5
1921,16.7,17.3,20.5,22.5,23.7,22.2,21.4,21.2,20.3,20.7,18.1,16.6
1922,16.4,17.4,20.3,22.8,23.1,21.8,21,21.1,20.7,20.5,18.8,16.1
1923,16.3,17,20.1,22.4,23,22.8,20.7,21.2,20.7,20.9,18.7,17.5
1924,16.5,17.8,20.8,23.5,23.9,22.4,21.4,21.6,20.9,20.5,18.3,16.8
1925,16,16.6,20.5,23.4,22.6,21.6,21.5,21.5,21.4,21.4,19.4,17.5
1926,16.9,18,20.6,22.2,23.5,23,22.1,21.6,21.1,20.7,18.6,17
1927,16.5,17.7,20.5,22.8,23.4,22,21.1,21.3,21.3,20.7,17.8,17.2
1928,17,17.2,20.1,23.1,23.8,22.2,21.4,21.1,21,20.6,19.1,17
1929,16.5,17.3,20.6,22.8,23.4,21.7,21.7,21.9,21.5,20.6,19.2,16.8
1930,16.2,17.3,20,22.6,23,22.2,21.4,21.5,21.1,21.1,18.6,17.3
1931,16.9,18.5,20.2,23.7,23.8,23.3,21.3,21.5,20.8,20.6,19.1,16.9
1932,16,17,20.2,22.3,23,21.9,21,21.9,21.2,21.6,19.3,17.1
1933,16.5,18,20.1,22.3,21.9,21,21.3,21,20.6,20.7,19.6,17
1934,16.1,17.6,19.7,22.6,22.8,21.7,21.1,21.1,20.8,21.4,16.9,16.5
1935,15.9,17.8,19.5,21.4,23.5,22.2,21,21.3,20.3,21.6,18.4,17.7
1936,16.7,17.4,20.3,22.3,23.7,21,21.1,21.4,21.6,21.4,20.1,17.5
1937,16.4,18.3,20.2,21.9,23.2,21.9,20.7,21.5,21.3,20.9,19,17.3
1938,17.8,17.3,21.2,22.9,22.9,20.6,20.9,21.4,20.7,19.9,18.6,17
1939,16.9,18.5,19.8,22.2,23,22,20.9,21.4,21,21.6,18.5,16.5
1940,15.8,18.1,18.7,22.4,23.1,22,21.1,21,21.4,21.2,19.9,17.3
1941,16.7,18.9,21.5,22.6,23.3,21.7,21.7,22.2,21.7,21.2,19.8,18.9
1942,17,18.5,21.5,20.6,22.9,21.1,20.8,21.2,20.9,20.7,18.1,17.5
1943,17.3,18,20.8,21.2,21.5,20.3,20.9,21,20.7,19.5,18.6,16.5
1944,16.9,17.4,19.5,21,22.9,21.7,21.1,21.5,21.4,20.1,18.6,18.3
1945,16.2,17.9,20.8,21,22.3,21.4,21.3,21.7,21,19.9,18.1,16.7
1946,16.1,18.1,20.8,21,21.7,20.6,21.1,21.1,21,20.6,18.3,18.9
1947,17.3,18.4,21,21.7,22.2,21.9,21.6,22.1,20.7,20,17.7,17.8
1948,17.8,18.3,20.8,21.3,22.3,21.7,21.6,21.7,21.1,20,19.1,16.9
1949,17.4,17.9,21.3,21.2,21.7,21.1,21.7,21.7,20.8,19.9,17.5,17.3
1950,16.9,17.6,20.2,21.4,22.2,21.6,21,21.9,21.1,20.5,17.7,17.6
1951,16.8,18,20.5,21.8,22.3,20.7,21.7,21.7,21.7,20.6,19.6,17
1952,17.1,18.8,19.8,23.1,23.4,22.1,21.6,21.2,21.3,21.6,18.9,18.8
1953,17,19,21.2,22.7,22.7,22,21.5,21.6,21.5,20.2,18,17.3
1954,16.7,19,20.6,21.5,22.3,21.5,21,21.3,20.3,19.3,17.5,17.9
1955,17.9,18.7,20.9,21.2,22.5,21.5,21.6,21.6,21.6,21.2,17.3,16.9
1956,17.3,17.4,21.2,22.3,22.4,21.1,20.6,21.4,21.3,20.4,19.3,16.9
1957,17.3,17.2,20.1,22.1,22.7,22.7,21.6,21.7,21.3,22.3,20.2,19
1958,17.4,18.7,20.7,23.4,23.9,23.3,21.7,22,21.5,21.1,19.8,18.3
1959,18.4,18.9,20.9,22.2,23.6,22.1,20.9,21.5,21.1,21.2,19.3,18.2
1960,17.6,18.1,20.8,21.8,22.3,22,21.9,21,21.3,20.9,19.2,18.3
1961,17.1,16.6,19.9,22,21.9,20.9,20.8,21.6,20.7,20.1,19.1,16.9
1962,14.8,17.4,19.1,22.1,22.4,22.3,21.3,20.9,20.7,21,18.1,16.4
1963,16.7,17.1,20.1,21.6,22.6,21.2,21.4,20.6,20.9,20.6,19.6,17.4
1964,15,16.7,19.6,22.4,22.8,21.8,20.6,20.6,20.2,20,17.8,14.9
1965,15.9,16.8,19.1,21.5,22.5,21.4,21.1,21.2,21,21.3,19.5,17.8
1966,16.3,17.6,19.6,22.2,21.8,22.5,21.8,21.8,20.9,20.9,19.2,16.9
1967,16,16.8,20.4,22.4,23.5,23,21.4,21.7,20.9,20.6,18.5,18.9
1968,16,17.1,19.9,21.8,22.8,22.2,21.2,21.7,21,19.7,18.8,17.1
1969,16.3,17.7,20.8,22.8,24.1,22.3,21.4,21.5,20.7,21.3,19.8,18
1970,16.3,17.9,19.5,23.1,23,21.8,21.8,21.2,20.8,21,18.8,14.5
1971,15.8,17,20.2,22.9,22.8,21.1,21.6,21.2,21,20,18.3,16.6
1972,15.3,16.8,19.8,22.1,22.6,23.2,21.7,21.6,21.3,22.2,19.2,18.3
1973,15.7,18.2,20.1,24.3,24.2,22.5,21.6,20.5,21.2,21.1,19,17.1
1974,15.6,17.4,20.5,22.9,22.6,21.7,21.4,21.1,20.9,20.6,16.9,15.8
1975,15.5,17.2,19.3,22.8,22.7,21.7,20.8,21.3,20.5,20.9,17.7,14.7
1976,15.4,17,20,21.7,22.4,21.8,21,21.2,21.4,21.5,20.5,17.7
1977,15.7,18.1,21.4,23.5,23.7,22.5,21.4,21.8,21.1,21.7,21,16.7
1978,16.6,17.4,19.7,22.8,23.4,21.5,20.5,21.8,21,21.6,20.5,19.3
1979,18.4,17.6,20.2,22.8,23.1,23.5,22.5,21.9,21.9,22.4,21.4,18.5
1980,17.4,19,21.1,24,24.3,21.8,22.2,21.4,21.7,22.2,20.4,16.7
1981,16.9,18.2,20.6,22.4,23.4,21.9,21.9,21.3,21.9,21.9,19,18
1982,17.6,18.6,19.7,22.3,23.8,22.7,21.8,21.7,21.2,21.9,20.6,18.3
1983,16.7,17.2,19.8,21.6,24.2,24.1,22,21.7,21.2,21.2,17.3,17.8
1984,17.4,19.3,22.1,22.9,24.4,21.9,21.2,21.4,21.2,21.1,18.7,16.8
1985,17.7,17.8,21.3,23,23.5,21.6,21.3,21.1,21.6,19.9,18.4,17.8
1986,17.3,17.9,20.8,23.1,23.5,22.5,21.9,21,22.1,21.4,19.2,17.3
1987,17.5,18,20.2,23,23.5,22.3,22,21.5,22,21.3,20.1,18.5
1988,17.5,18.5,20.3,23.4,24.4,22.3,21,21.4,21.1,20.6,19.1,17.2
1989,16.9,17.3,20.7,22.4,23.1,21.7,21.4,21.1,21.2,20.4,19.5,17.5
1990,16.8,18.2,20.4,22.4,23.1,22.1,21.6,21.2,21.3,21.7,19.4,18.3
1991,16.4,18,20,23.3,23.9,23,21.1,21.3,21.7,20.7,19.7,16.6
1992,15.9,16.9,19.9,22,23.6,22.8,21.7,21.2,21.2,21,20.1,16.5
1993,16.2,17,20.1,21.9,23.4,23.2,21.4,21.6,20.8,21.4,20.5,17.3
1994,17.1,17.7,20.7,22.8,23.5,22.1,21.3,21.5,20.8,20.5,18.7,15.8
1995,15.7,17.9,19.9,22,22.9,23,21.1,21.8,21.6,20.6,17.6,17
1996,16.9,18.1,21.1,22.2,23.3,22.8,21.8,21.6,21.7,19.8,18.4,16.8
1997,16,15.9,20,21.5,23.3,22.6,22.1,21.4,22.1,21.5,20.8,19.1
1998,17.7,17.8,19.9,23.7,24.3,23,22.5,22.3,21.4,20.9,18.7,17.2
1999,15.7,19,20.3,22.7,22.1,21.4,21.3,21.7,21.1,21,18.6,16.4
2000,17.2,17.7,18.9,22.9,21.8,22,21.1,21.5,21.5,21.1,18.5,16.9
2001,17.1,17.7,19.5,22.6,22.9,22.3,21.4,21.5,21.9,20.6,19.9,17.9
2002,16.3,18.9,21,23,23.8,22.3,22.8,21.4,21.5,21.5,19.6,17.6
2003,17.4,18.5,20.9,22.7,23.7,23.1,21.8,22.4,21.6,21.3,20.3,17.3
2004,16.7,18.2,21.7,22.9,22.3,21.8,21.8,21.7,21.3,20.5,19.7,17.2
2005,16.4,17.6,19.5,22.2,23.5,22.7,21.6,22,21.1,20.5,18.5,17.3
2006,17.3,18.8,20,22.2,22.9,22,22.6,21.7,21.6,21,20,17.7
2007,17.4,18.1,20.7,22.8,23.2,22.5,22,21.7,20.8,21,18.6,17.9
2008,16.7,17,20.4,21.5,22.8,21.8,22.2,21.4,21.1,21.3,19.4,18.6
2009,17.7,18.7,21.3,22.9,23.4,22.4,21.8,22.5,21.6,20.5,19.3,18.2
